The cooling fan in my 27 inch Cimena display starting running full speed today and it doesn't ever stop. Very loud. Sounds like a hair dryer. Anyone have any ideas as to what's causing the problem? It worked has worked perfectly without a sound for 4 years.
MacBook Pro (Retina, Mid 2012), OS X Mavericks (10.9), 2.6 GHz Core i7, 8 GB 1600 MHz DDR3
